Executive Summary

Informations
Name CVE-2020-3357 First vendor Publication 2020-07-16
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Secure Sockets Layer (SSL) VPN feature of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device or cause the device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because HTTP requests are not properly validated. An attacker could exploit this vulnerability by sending a crafted HTTP request over an SSL connection to an affected device. A successful exploit could allow the attacker to remotely execute arbitrary code on the device or cause the device to reload, resulting in a DoS condition.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3357

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 11
Os 11
Os 11
Os 11

Snort® IPS/IDS

Date Description
2020-12-05 Cisco RV Series Routers heap buffer overflow attempt
RuleID : 54543 - Revision : 1 - Type : SERVER-WEBAPP
2020-12-05 Cisco RV Series Routers heap buffer overflow attempt
RuleID : 54542 - Revision : 1 - Type : SERVER-WEBAPP

Sources (Detail)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
Source Url

Alert History

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Date Informations
2024-11-28 13:44:14
  • Multiple Updates
2024-10-09 02:12:38
  • Multiple Updates
2023-11-07 21:37:04
  • Multiple Updates
2021-08-07 00:22:59
  • Multiple Updates
2020-12-05 21:23:47
  • Multiple Updates
2020-07-24 05:22:47
  • Multiple Updates
2020-07-17 00:22:52
  • First insertion